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[猫呼吸周期中脊髓-延髓-脊髓反射的变化]

[Changes in spino-bulbo-spinal reflexes during the respiratory cycle in cats].

作者信息

Gokin A P

出版信息

Neirofiziologiia. 1981;13(4):421-4.

PMID:7300949
Abstract

In cats anesthetized by chloralose the characteristics of a somaesthetic startle reaction (spino-bulbo-spinal reflex) essentially change during respiration; the magnitude of the responses recorded in the internal and external intercostal nerves as well as flexor hindlimb nerves was regularly less during the inspiration phase than during the expiration one. The phase changes were due to respiratory modulation of spino-bulbo-spinal transmission at the supraspinal level (brain stem reticular formation) and were determined mainly by its depression during inspiration.

摘要

在由水合氯醛麻醉的猫中,躯体感觉惊吓反应(脊髓-延髓-脊髓反射)的特征在呼吸过程中会发生本质变化;在吸气阶段,肋间内神经和肋间外神经以及后肢屈肌神经记录到的反应幅度通常比呼气阶段小。这些相位变化是由于脊髓-延髓-脊髓传导在脊髓上水平(脑干网状结构)受到呼吸调节,主要由吸气时其抑制作用所决定。

相似文献

1
[Changes in spino-bulbo-spinal reflexes during the respiratory cycle in cats].[猫呼吸周期中脊髓-延髓-脊髓反射的变化]
Neirofiziologiia. 1981;13(4):421-4.
2
[Respiratory modulation of startle reflexes in the cat].[猫惊吓反射的呼吸调节]
Neirofiziologiia. 1986;18(5):593-603.
3
[Reticular structures and reticulospinal pathways participating in initiation and inhibition of spino-bulbo-spinal activity].参与脊髓-延髓-脊髓活动起始与抑制的网状结构及网状脊髓通路
Neirofiziologiia. 1976;8(4):373-83.
4
[Reticular structures of the cat brain participating in startle reflexes in response to somatic stimuli of different modalities].[参与对不同形式躯体刺激产生惊吓反射的猫脑网状结构]
Neirofiziologiia. 1985;17(3):380-90.
5
[Efferent activity in the phrenic nerve during the startle reflex in chloralose-anesthetized cats].[水合氯醛麻醉猫惊跳反射时膈神经的传出活动]
Neirofiziologiia. 1987;19(4):473-82.
6
[Functional characteristics and topography of spinal tracts involved in low- and high-threshold startle reflexes].[参与低阈值和高阈值惊吓反射的脊髓束的功能特征与局部解剖]
Neirofiziologiia. 1986;18(4):486-96.
7
[Reticular neurons with double axon projections: participation in execution of the reflex startle response in the cat].[具有双轴突投射的网状神经元:参与猫的反射性惊吓反应的执行]
Neirofiziologiia. 1983;15(4):431-4.
8
[Modulation of reflex discharges in the respiratory nerves of the cat upon stimulation of superior laryngeal afferents].[刺激猫喉上神经传入纤维时对其呼吸神经反射放电的调制]
Neirofiziologiia. 1984;16(4):553-7.
9
[Synaptic excitation of reticulospinal neurons during the startle reaction in cats anesthetized with chloralose].
Neirofiziologiia. 1981;13(6):594-603.
10
Site on inhibition of the spino-bulbo-spinal reflex on stimulation of the anterior lobe of the cerebellum.
Physiol Bohemoslov. 1978;27(2):151-8.